(I wrote this last year and just now found it again, hope you enjoy it.)
Teacher: Take a moment to close your eyes and think of the number 1.
(in head)
voice 1: Why do we hafve to do this?
voice 2: Because he said so.
voice 1: But what is the point of... argh! I just thought of one!
voice 2: Me too! (giggle)
voice 3: Dude, don't think man. Just one.
voice 1: I ain't gonna... !! Oww. I hit a wall.
voice 2: one, one, one, one...
voice 1: Shut up, ouch! Another wall!
voice 3: One, man.
voice 1: No!!!!... (voice breaks off)
voice 2: Hehe, he hit it hard... One!
voice 3: Knocked him out...
Teacher: Now how many directions did your mind wander?
(in head)
voice 2: well... I didn't go too far.
voice 3: Ouch...
voice 1: (moans)
voice 2: Guys? Am I the only one that remembered one? Hehe, oh well. Girls rule!